/* ========================================
   CSS Custom Properties & Design Tokens
   ======================================== */
:root {
    /* Colors - Dark Theme */
    --bg-dark: #0a0a0f;
    --bg-dark-secondary: #12121a;
    --bg-dark-tertiary: #1a1a2e;
    --bg-light: #fafafa;
    --bg-light-secondary: #f0f0f5;
    --bg-card: #16162a;
    
    /* Accent Colors */
    --accent-primary: #7c5cfc;
    --accent-secondary: #c084fc;
    --accent-tertiary: #38bdf8;
    --accent-gradient: linear-gradient(135deg, #7c5cfc 0%, #c084fc 50%, #38bdf8 100%);
    --accent-gradient-hover: linear-gradient(135deg, #38bdf8 0%, #c084fc 50%, #7c5cfc 100%);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.4);
    --text-dark: #1a1a2e;
    --text-dark-secondary: #4a4a6a;
    
    /* Glass */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-bg-light: rgba(255, 255, 255, 0.8);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 40px rgba(124, 92, 252, 0.3);
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --section-padding: 120px;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 50%;
}

/* ========================================
   Reset & Base Styles
   ======================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

img {
    max-width: 100%;
    display: block;
}

ul { list-style: none; }

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Cursor Follower
   ======================================== */
.cursor-follower {
    width: 24px;
    height: 24px;
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-full);
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 10000;
    transition: transform 0.15s ease-out, width 0.3s ease, height 0.3s ease, border-color 0.3s ease;
    transform: translate(-50%, -50%);
    mix-blend-mode: difference;
}

.cursor-follower.hovering {
    width: 48px;
    height: 48px;
    border-color: var(--accent-secondary);
}

@media (max-width: 768px) {
    .cursor-follower { display: none; }
}

/* ========================================
   Preloader
   ======================================== */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--bg-dark);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-inner {
    text-align: center;
}

.preloader-logo {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 24px;
    animation: pulse 1.5s ease-in-out infinite;
}

.preloader-bar {
    width: 200px;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.preloader-bar-fill {
    width: 0;
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 10px;
    animation: loading 1.5s ease-in-out forwards;
}

@keyframes loading {
    to { width: 100%; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-base);
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 4px;
    position: relative;
    z-index: 1001;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: var(--radius-full);
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.5; }
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    position: relative;
    transition: var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--accent-primary);
    border-radius: 2px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
    z-index: 1001;
}

/* Language Toggle */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    transition: var(--transition-base);
}

.lang-toggle:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.lang-label[data-active="en"],
.lang-label[data-active="tr"],
.lang-label[data-active="ru"],
.lang-label[data-active="pt"],
.lang-label[data-active="es"],
.lang-label[data-active="ja"],
.lang-label[data-active="fa"] {
    color: var(--accent-primary);
    font-weight: 700;
}

.lang-divider {
    opacity: 0.3;
}

/* Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    width: 28px;
}

.menu-toggle span {
    display: block;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(7px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-7px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-links {
    text-align: center;
}

.mobile-nav-link {
    display: block;
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    padding: 12px 0;
    color: var(--text-secondary);
    transition: var(--transition-base);
    transform: translateY(20px);
    opacity: 0;
}

.mobile-menu.active .mobile-nav-link {
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-nav-link:nth-child(2) { transition-delay: 0.15s; }
.mobile-nav-link:nth-child(3) { transition-delay: 0.2s; }
.mobile-nav-link:nth-child(4) { transition-delay: 0.25s; }
.mobile-nav-link:nth-child(5) { transition-delay: 0.3s; }
.mobile-nav-link:nth-child(6) { transition-delay: 0.35s; }

.mobile-nav-link:hover {
    color: var(--accent-primary);
}

@media (max-width: 1024px) {
    .nav-links { display: none; }
    .menu-toggle { display: flex; }
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    padding: 0;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}


.hero-gradient-orb {
    position: absolute;
    border-radius: var(--radius-full);
    filter: blur(100px);
    opacity: 0.4;
    animation: orbFloat 15s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
    top: -10%;
    right: -5%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
    bottom: -10%;
    left: -5%;
    animation-delay: -5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent-tertiary) 0%, transparent 70%);
    top: 40%;
    left: 50%;
    animation-delay: -10s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.1); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.05); }
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 900px;
}

/* Hero Slider */
.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 100vh;
}

.hero-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 140px; /* Enforces safe minimum space below fixed navbar */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), visibility 0s 0.8s;
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-slide .hero-content {
    opacity: 0;
    transform: translateY(30px);
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.8s;
    padding: 20px 24px;
}

.hero-slide.active .hero-content {
    opacity: 1;
    transform: translateY(0);
}

/* Slider Controls */
.slider-controls {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 10;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: auto;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

.slider-arrow.prev {
    left: 40px;
}

.slider-arrow.next {
    right: 40px;
}

.slider-arrow:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
    transform: translateY(-50%) scale(1.08);
}

.slider-dots {
    position: absolute;
    bottom: 90px;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 8px;
}

.slider-dot {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-base);
}

.slider-dot.active {
    width: 24px;
    background: var(--accent-primary);
    border-radius: 4px;
}

/* Stats Positioning & Wrapper */
.hero-stats-wrapper {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 900px;
    padding: 0 24px;
    z-index: 5;
    display: flex;
    justify-content: center;
}

.hero .scroll-indicator {
    display: none !important;
}

@media (max-width: 768px) {
    .slider-arrow {
        display: none !important;
    }
    .slider-dots {
        bottom: 95px;
    }
    .hero-slide {
        padding-top: 90px;
    }
    .hero-slide .hero-content {
        padding: 0 24px 140px;
    }
    .hero-stats-wrapper {
        bottom: 20px;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-secondary);
    margin-bottom: 18px;
    backdrop-filter: blur(10px);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #4ade80;
    border-radius: var(--radius-full);
    animation: dotPulse 2s ease-in-out infinite;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(38px, 6vw, 76px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 14px;
}

.hero-title-line {
    display: block;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-ampersand {
    display: inline-block;
    font-style: italic;
    opacity: 0.4;
    margin-left: 12px;
    font-weight: 300;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 18px);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 24px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 20px rgba(124, 92, 252, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(124, 92, 252, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-outline:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-plus {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--text-tertiary);
    margin-top: 4px;
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--glass-border);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-tertiary);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent-primary), transparent);
    animation: scrollAnim 2s ease-in-out infinite;
}

@keyframes scrollAnim {
    0% { transform: scaleY(0); transform-origin: top; opacity: 1; }
    50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
    51% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; opacity: 1; }
}

/* ========================================
   Section Common Styles
   ======================================== */
.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-primary);
    margin-bottom: 16px;
    padding: 6px 16px;
    background: rgba(124, 92, 252, 0.1);
    border: 1px solid rgba(124, 92, 252, 0.2);
    border-radius: 50px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 16px auto 0;
}

/* ========================================
   About Section
   ======================================== */
.about-section {
    background: var(--bg-dark-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 64px;
    align-items: center;
}

.about-img-wrapper {
    position: relative;
    aspect-ratio: 3/4;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about-img-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-dark-tertiary), var(--bg-card));
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
}

.placeholder-initials {
    font-family: var(--font-heading);
    font-size: 80px;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
}

.about-img-border {
    position: absolute;
    pointer-events: none;
    inset: -2px;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    background: var(--accent-gradient) border-box;
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    -webkit-mask-composite: xor;
    opacity: 0.5;
}

.about-experience-badge {
    position: absolute;
    pointer-events: none;
    bottom: -20px;
    right: -20px;
    background: var(--accent-gradient);
    padding: 20px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-glow);
}

.exp-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 800;
    color: white;
}

.exp-text {
    font-size: 11px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-content {
    padding: 20px 0;
}

.about-heading {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
}

.about-text {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 15px;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 32px 0;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.highlight-item:hover {
    border-color: var(--accent-primary);
    transform: translateX(8px);
}

.highlight-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(124, 92, 252, 0.1);
    border-radius: var(--radius-sm);
    color: var(--accent-primary);
    flex-shrink: 0;
}

.highlight-item h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 2px;
}

.highlight-item p {
    font-size: 13px;
    color: var(--text-tertiary);
}

.about-content .about-btn:first-of-type {
    margin-top: 12px;
}

.about-content {
    display: flex;
    flex-direction: column;
}

.about-content .about-btn + .about-btn {
    margin-top: 10px;
}

@media (min-width: 768px) {
    .about-content .about-btn:first-of-type {
        margin-top: 16px;
    }
}

/* ========================================
   Marquee Section
   ======================================== */
.marquee-section {
    padding: 32px 0;
    background: var(--bg-dark);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    overflow: hidden;
}

.marquee-track {
    display: flex;
    width: max-content;
    animation: marqueeScroll 30s linear infinite;
}

.marquee-content {
    display: flex;
    align-items: center;
    gap: 40px;
    padding-right: 40px;
    white-space: nowrap;
}

.marquee-content span {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-secondary);
}

.marquee-dot {
    color: var(--accent-primary) !important;
    font-size: 14px !important;
}

@keyframes marqueeScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ========================================
   Services Section
   ======================================== */
.services-section {
    background: var(--bg-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    position: relative;
    padding: 40px 32px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: var(--transition-smooth);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition-base);
    border-radius: var(--radius-lg);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: transparent;
    box-shadow: var(--shadow-glow);
}

.service-card:hover::before {
    opacity: 0.08;
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(124, 92, 252, 0.1);
    border-radius: var(--radius-md);
    color: var(--accent-primary);
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
    transition: var(--transition-base);
}

.service-card:hover .service-icon {
    background: rgba(124, 92, 252, 0.2);
}

.service-number {
    position: absolute;
    top: 20px;
    right: 24px;
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.03);
    z-index: 0;
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.service-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* ========================================
   Portfolio Section
   ======================================== */
.portfolio-section {
    background: var(--bg-dark-secondary);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    border: 1px solid var(--glass-border);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-base);
}

.filter-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.filter-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.portfolio-item {
    transition: var(--transition-smooth);
}

.portfolio-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    position: absolute;
    pointer-events: none;
}

.portfolio-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(124, 92, 252, 0.3);
}

.portfolio-image {
    aspect-ratio: 4/3;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-card:hover .portfolio-image img {
    transform: scale(1.05);
}

.about-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.portfolio-image-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: white;
    font-weight: 600;
    font-size: 14px;
    z-index: 1;
}

.portfolio-icon {
    font-size: 40px;
    opacity: 0.8;
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 15, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-base);
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-link {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    color: white;
    transform: scale(0.5);
    transition: var(--transition-base);
}

.portfolio-card:hover .portfolio-link {
    transform: scale(1);
}

.portfolio-info {
    padding: 24px;
}

.portfolio-category {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.portfolio-info h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    margin: 8px 0 6px;
}

.portfolio-info p {
    font-size: 13px;
    color: var(--text-secondary);
}

.portfolio-cta {
    text-align: center;
    margin-top: 48px;
}

/* ========================================
   Skills Section
   ======================================== */
.skills-section {
    background: var(--bg-dark);
}

.skills-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.skills-categories {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.skill-category h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--glass-border);
}

.skill-bars {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-bar-header {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
}

.skill-bar-header span:last-child {
    color: var(--accent-primary);
    font-family: var(--font-mono);
    font-size: 12px;
}

.skill-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.skill-bar-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 10px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-bar-fill.animated {
    width: var(--target-width);
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.tool-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.tool-item:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.tool-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(124, 92, 252, 0.15);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.tool-item span {
    font-size: 13px;
    font-weight: 500;
}

/* ========================================
   Contact Section
   ======================================== */
.contact-section {
    background: var(--bg-dark-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 48px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.contact-card:hover {
    border-color: var(--accent-primary);
    transform: translateX(8px);
}

.contact-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(124, 92, 252, 0.1);
    border-radius: var(--radius-sm);
    color: var(--accent-primary);
    flex-shrink: 0;
}

.contact-card h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-card p {
    font-size: 14px;
    color: var(--text-secondary);
}

.contact-social {
    margin-top: 8px;
}

.contact-social h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
    transform: translateY(-4px);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    transition: var(--transition-base);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(124, 92, 252, 0.1);
}

.form-group label {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    color: var(--text-tertiary);
    pointer-events: none;
    transition: var(--transition-base);
}

.form-group textarea ~ label {
    top: 20px;
    transform: none;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: -8px;
    left: 16px;
    transform: none;
    font-size: 11px;
    color: var(--accent-primary);
    background: var(--bg-dark-secondary);
    padding: 0 6px;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 48px 0;
    border-top: 1px solid var(--glass-border);
    background: var(--bg-dark);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: var(--accent-primary);
}

.footer-copyright {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* ========================================
   Reveal Animations
   ======================================== */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

.reveal-up.revealed,
.reveal-left.revealed,
.reveal-right.revealed {
    opacity: 1;
    transform: translate(0);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .skills-categories {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 64px;
    }
    
    .hero {
        padding: 100px 24px 60px;
    }
    
    .hero-stats {
        gap: 24px;
    }
    
    .stat-divider {
        display: none;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-img-wrapper {
        max-width: 300px;
        margin: 0 auto;
    }
    
    .about-experience-badge {
        right: -10px;
        bottom: -10px;
        padding: 14px 18px;
    }
    
    .exp-number { font-size: 24px; }
    .exp-text { font-size: 10px; }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-title {
        font-size: clamp(36px, 10vw, 64px);
    }
    
    .scroll-indicator {
        display: none;
    }
    
    .portfolio-filters {
        gap: 6px;
    }
    
    .filter-btn {
        padding: 6px 14px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .hero-badge {
        font-size: 11px;
        padding: 6px 14px;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .tools-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* ========================================
   Selection & Scrollbar
   ======================================== */
::selection {
    background: rgba(124, 92, 252, 0.3);
    color: white;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-dark-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* ========================================
   Video Showcase Section
   ======================================== */
.video-section {
    background: var(--bg-dark);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.video-col-title {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    text-align: center;
    letter-spacing: 0.5px;
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-dark-secondary);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.06),
        0 25px 60px -12px rgba(0, 0, 0, 0.5),
        0 0 80px -20px rgba(102, 126, 234, 0.15);
    transition: box-shadow 0.4s ease, transform 0.4s ease;
}

.video-container:hover {
    box-shadow:
        0 0 0 1px rgba(102, 126, 234, 0.2),
        0 30px 80px -12px rgba(0, 0, 0, 0.6),
        0 0 100px -20px rgba(102, 126, 234, 0.25);
    transform: translateY(-4px);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-info {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2rem;
}

.video-cta {
    gap: 0.6rem;
}

.video-cta svg {
    color: #ff0000;
    fill: #ff0000;
    transition: transform 0.3s ease;
}

.video-cta:hover svg {
    transform: scale(1.15);
}

.shorts-header {
    text-align: center;
    margin-top: 4rem;
    margin-bottom: 2rem;
}

.shorts-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    position: relative;
    display: inline-block;
}

.shorts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.short-card {
    position: relative;
    width: 100%;
    padding-bottom: 177.77%; /* 16:9 inverted = 9:16 aspect ratio for shorts */
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-dark-secondary);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.06),
        0 10px 30px -10px rgba(0, 0, 0, 0.5);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.short-card:hover {
    transform: translateY(-8px);
    box-shadow:
        0 0 0 1px rgba(102, 126, 234, 0.2),
        0 20px 40px -10px rgba(0, 0, 0, 0.6),
        0 0 60px -20px rgba(102, 126, 234, 0.2);
}

.short-card iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

@media (max-width: 992px) {
    .video-grid {
        grid-template-columns: 1fr;
    }
    .shorts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .video-container {
        border-radius: var(--radius-md);
    }
}

/* Telegram Floating Button */
.telegram-float {
    position: fixed;
    bottom: 24px;
    left: 24px;
    width: 60px;
    height: 60px;
    background-color: #2AABEE;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(42, 171, 238, 0.4);
    z-index: 1000;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
    animation: pulse-telegram 2s infinite;
}

.telegram-float svg {
    width: 32px;
    height: 32px;
    margin-right: 2px; /* slight visual center offset for the paper plane */
}

.telegram-float:hover {
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 8px 25px rgba(42, 171, 238, 0.6);
    animation: none;
}

@keyframes pulse-telegram {
    0% {
        box-shadow: 0 0 0 0 rgba(42, 171, 238, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(42, 171, 238, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(42, 171, 238, 0);
    }
}

@media (max-width: 768px) {
    .telegram-float {
        bottom: 20px;
        left: 20px;
        width: 55px;
        height: 55px;
    }
    .telegram-float svg {
        width: 28px;
        height: 28px;
    }
}

/* ========================================
   RTL Mode (Right-to-Left for Farsi)
   ======================================== */
.rtl-mode {
    direction: rtl;
    text-align: right;
    font-family: 'Vazirmatn', Tahoma, Arial, sans-serif; /* Fallback for Persian */
}

/* Fix Margins/Paddings for RTL */
.rtl-mode .logo-text { margin-right: 0; margin-left: 5px; }
.rtl-mode .telegram-float { right: 24px; left: auto; }
.rtl-mode .telegram-float svg { margin-right: 0; margin-left: 2px; }
.rtl-mode .hero-content { text-align: right; }
.rtl-mode .section-header { text-align: right; }
.rtl-mode .contact-item i { margin-right: 0; margin-left: 15px; }
.rtl-mode .footer-brand p { text-align: right; }
.rtl-mode .portfolio-overlay-content { text-align: right; }
.rtl-mode .service-card { text-align: right; }

@media (max-width: 768px) {
    .rtl-mode .telegram-float { right: 20px; left: auto; }
}

/* ========================================
   Store Section & Digital Products
   ======================================== */
.store-section {
    position: relative;
    background: linear-gradient(to bottom, #0a0a0f, #0d1117);
}

.store-grid {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
    gap: 32px;
}

.product-card {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: 
        0 20px 40px -15px rgba(0,0,0,0.5),
        0 0 50px -10px rgba(22, 163, 74, 0.15);
}

.product-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(22, 163, 74, 0.2);
    color: var(--accent-primary);
    border: 1px solid rgba(22, 163, 74, 0.3);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 10;
}

.product-image-wrapper {
    background: rgba(0, 0, 0, 0.3);
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

/* 3D Book Mockup */
.product-mockup {
    perspective: 1000px;
}

.book-cover-3d {
    width: 140px;
    height: 200px;
    position: relative;
    transform: rotateY(-20deg) rotateX(10deg);
    transform-style: preserve-3d;
    box-shadow: 10px 10px 25px rgba(0,0,0,0.6);
    transition: transform 0.5s ease;
}

.product-card:hover .book-cover-3d {
    transform: rotateY(-5deg) rotateX(5deg);
}

.book-spine {
    position: absolute;
    top: 0;
    left: 0;
    width: 12px;
    height: 100%;
    background: #0f763e;
    transform: rotateY(-90deg) translateZ(6px);
    border-radius: 2px 0 0 2px;
}

.book-front {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    border-radius: 0 4px 4px 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    text-align: center;
    border-left: 2px solid rgba(255,255,255,0.1);
}

.book-logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: white;
    background: rgba(255,255,255,0.1);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.book-title {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    color: white;
    line-height: 1.4;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.book-author {
    font-size: 10px;
    color: rgba(255,255,255,0.7);
    font-weight: 500;
}

.product-info {
    padding: 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.product-description {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 24px;
    flex-grow: 1;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
}

.product-price {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
}

.product-action {
    display: flex;
    gap: 12px;
}

.product-action .btn-sm {
    padding: 10px 16px;
    font-size: 12px;
}

.rtl-mode .product-card {
    text-align: right;
}

.rtl-mode .book-cover-3d {
    transform: rotateY(20deg) rotateX(10deg);
}

.rtl-mode .product-card:hover .book-cover-3d {
    transform: rotateY(5deg) rotateX(5deg);
}

.rtl-mode .book-front {
    border-left: none;
    border-right: 2px solid rgba(255,255,255,0.1);
}

.rtl-mode .product-badge {
    left: auto;
    right: 16px;
}

/* ===== BRIEF MODAL ===== */
.brief-modal {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.brief-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.brief-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(12px);
}

.brief-modal-content {
    position: relative;
    width: 90%;
    max-width: 550px;
    background: rgba(26, 26, 36, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-2xl);
    padding: 40px;
    box-shadow: var(--shadow-2xl);
    transform: translateY(20px) scale(0.95);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(20px);
    z-index: 2;
}

.brief-modal.active .brief-modal-content {
    transform: translateY(0) scale(1);
}

.brief-modal-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.3s;
}

.brief-modal-close:hover {
    color: var(--text-primary);
}

.brief-modal-header {
    margin-bottom: 24px;
}

.brief-modal-header h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--text-primary) 0%, rgba(255,255,255,0.7) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brief-modal-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Nav bar brief button */
.brief-btn {
    padding: 8px 16px;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

/* Mobile responsive brief button */
@media (max-width: 768px) {
    .brief-btn {
        display: none; /* Hide brief button in nav actions, use links in burger menu */
    }
}

/* ===== BOOKING SECTION ===== */
.booking-section {
    background: linear-gradient(180deg, transparent 0%, rgba(26, 26, 36, 0.4) 100%);
    position: relative;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.booking-container {
    max-width: 850px;
    margin: 48px auto 0;
    background: var(--glass-bg);
    border: var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: 48px;
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(12px);
}

.booking-steps {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 48px;
}

.step-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0.4;
    transition: opacity 0.3s;
}

.step-indicator.active {
    opacity: 1;
}

.step-number {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    transition: all 0.3s;
}

.step-indicator.active .step-number {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--dark);
    box-shadow: 0 0 15px rgba(22, 163, 74, 0.4);
}

.step-label {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.step-line {
    flex-grow: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
    margin: 0 24px;
    margin-bottom: 24px; /* offset due to column flex alignment */
}

/* Booking Form Content Steps */
.booking-step-content {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.booking-step-content.active {
    display: block;
}

.booking-step-content h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 24px;
    text-align: center;
}

/* Step 1 Cards */
.specialty-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.specialty-card {
    cursor: pointer;
}

.specialty-card input {
    display: none;
}

.specialty-card-inner {
    height: 100%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: 24px;
    text-align: center;
    transition: all 0.3s;
}

.specialty-card-inner:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.specialty-card input:checked + .specialty-card-inner {
    background: rgba(22, 163, 74, 0.05);
    border-color: var(--accent-primary);
    box-shadow: inset 0 0 15px rgba(22, 163, 74, 0.1);
}

.specialty-icon {
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.specialty-card-inner h4 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.specialty-card-inner p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Step 2 Calendar */
.datetime-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 32px;
    margin-bottom: 32px;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.calendar-day-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: 16px 8px;
    text-align: center;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s;
}

.calendar-day-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.15);
}

.calendar-day-btn.selected {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--dark);
    font-weight: 600;
}

.calendar-day-btn .day-name {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    opacity: 0.6;
    margin-bottom: 4px;
}

.calendar-day-btn.selected .day-name {
    opacity: 0.9;
}

.calendar-day-btn .day-date {
    display: block;
    font-size: 1.15rem;
    font-weight: 700;
}

/* Time Slots */
.time-slots {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.time-slot-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: 12px;
    text-align: center;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
    font-weight: 500;
}

.time-slot-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.15);
}

.time-slot-btn.selected {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--dark);
    font-weight: 600;
}

/* Step 3 Summary */
.booking-summary {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-xl);
    padding: 24px;
    margin-bottom: 32px;
    display: flex;
    justify-content: space-around;
}

.booking-summary p {
    font-size: 0.95rem;
}

.booking-summary span {
    color: var(--accent-primary);
    margin-left: 6px;
}

/* Actions */
.booking-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 24px;
}

.booking-actions button {
    min-width: 140px;
}

/* Responsive booking */
@media (max-width: 768px) {
    .booking-container {
        padding: 24px;
    }
    
    .specialty-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .datetime-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .calendar-days {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .booking-summary {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }
    
    .step-label {
        font-size: 0.7rem;
    }
    
    .step-line {
        margin: 0 8px;
    }
}


/* ========================================
   Language Dropdown CSS
   ======================================== */
.lang-dropdown {
    position: relative;
    display: inline-block;
}

.lang-dropdown-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    backdrop-filter: blur(10px);
}

.lang-dropdown-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.lang-dropdown-btn .globe-icon {
    opacity: 0.8;
}

.lang-dropdown-btn .chevron-icon {
    opacity: 0.5;
    transition: transform 0.3s;
}

.lang-dropdown.active .lang-dropdown-btn .chevron-icon {
    transform: rotate(180deg);
}

.lang-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 6px;
    width: 70px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
    backdrop-filter: blur(20px);
    z-index: 1000;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.lang-dropdown.active .lang-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown-item {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-base);
    width: 100%;
}

.lang-dropdown-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.lang-dropdown-item.active {
    background: var(--accent-primary);
    color: white;
}


/* ========================================
   Responsive Height Optimizations
   ======================================== */
@media (max-height: 760px) {
    .hero-stats-wrapper {
        display: none !important;
    }
    .slider-dots {
        bottom: 30px !important;
    }
    .hero-slide {
        padding-top: 110px !important;
    }
}

@media (max-width: 768px) {
    .marquee-section { padding: 20px 0; }
    .marquee-content { gap: 24px; padding-right: 24px; }
    .marquee-content span { font-size: 16px; }
}


/* Center the 7th service card on desktop */
@media (min-width: 1025px) {
    .services-grid .service-card:nth-child(7):last-child {
        grid-column: 2;
    }
}

/* Center the 7th service card on tablet */
@media (max-width: 1024px) and (min-width: 769px) {
    .services-grid .service-card:nth-child(7):last-child {
        grid-column: 1 / -1;
        width: calc(50% - 12px);
        margin: 0 auto;
    }
}